In this lecture Prof. Arno Smets explaisn the probability of the states of electrons in an atom depending on its temperature. He then explains how this relates to the way electrons and holes behave within an atom.
You will find the chapter associated to the lecture below the videos.
Solar Energy by TU Delft OpenCourseWare is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at https://ocw.tudelft.nl/courses/solar-energy/.